19167420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5237}}^1$

素因数の和:5310

約数の個数: 48

約数和(自身を含む): 54559008

約数和(自身を除く): 35391588

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 5237, 10474, 15711, 20948, 26185, 31422, 52370, 62844, 78555, 104740, 157110, 314220, 319457, 638914, 958371, 1277828, 1597285, 1916742, 3194570, 3833484, 4791855, 6389140, 9583710, 19167420]

約数ペア:

[(1, 19167420), (2, 9583710), (3, 6389140), (4, 4791855), (5, 3833484), (6, 3194570), (10, 1916742), (12, 1597285), (15, 1277828), (20, 958371), (30, 638914), (60, 319457), (61, 314220), (122, 157110), (183, 104740), (244, 78555), (305, 62844), (366, 52370), (610, 31422), (732, 26185), (915, 20948), (1220, 15711), (1830, 10474), (3660, 5237)]